PlzNavigate: detect when a ServiceWorker is present

content/browser/frame_host/navigation_handle_impl.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_
 
 #include "content/public/browser/navigation_handle.h"
 
 #include <stddef.h>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/navigation_data.h"
 #include "content/public/browser/navigation_throttle.h"
 #include "url/gurl.h"
 
 struct FrameHostMsg_DidCommitProvisionalLoad_Params;
 
 namespace content {
 
 class NavigatorDelegate;
 class ResourceRequestBodyImpl;
-class ServiceWorkerContextWrapper;
-class ServiceWorkerNavigationHandle;
 struct NavigationRequestInfo;
 
 // This class keeps track of a single navigation. It is created upon receipt of
 // a DidStartProvisionalLoad IPC in a RenderFrameHost. The RenderFrameHost owns
 // the newly created NavigationHandleImpl as long as the navigation is ongoing.
 // The NavigationHandleImpl in the RenderFrameHost will be reset when the
 // navigation stops, that is if one of the following events happen:
 //   - The RenderFrameHost receives a DidStartProvisionalLoad IPC for a new
 //   navigation (see below for special cases where the DidStartProvisionalLoad
 //   message does not indicate the start of a new navigation).
@@ skipping 117 matching lines @@
     render_frame_host_ = render_frame_host;
   }
 
   // Returns the POST body associated with this navigation.  This will be
   // null for GET and/or other non-POST requests (or if a response to a POST
   // request was a redirect that changed the method to GET - for example 302).
   const scoped_refptr<ResourceRequestBodyImpl>& resource_request_body() const {
     return resource_request_body_;
   }
 
-  // PlzNavigate
-  void InitServiceWorkerHandle(
-      ServiceWorkerContextWrapper* service_worker_context);
-  ServiceWorkerNavigationHandle* service_worker_handle() const {
-    return service_worker_handle_.get();
-  }
-
   typedef base::Callback<void(NavigationThrottle::ThrottleCheckResult)>
       ThrottleChecksFinishedCallback;
 
   // Called when the URLRequest will start in the network stack.  |callback|
   // will be called when all throttle checks have completed. This will allow
   // the caller to cancel the navigation or let it proceed.
   void WillStartRequest(
       const std::string& method,
       scoped_refptr<content::ResourceRequestBodyImpl> resource_request_body,
       const Referrer& sanitized_referrer,
@@ skipping 126 matching lines @@
 
   // The time this navigation started.
   const base::TimeTicks navigation_start_;
 
   // The unique id of the corresponding NavigationEntry.
   int pending_nav_entry_id_;
 
   // This callback will be run when all throttle checks have been performed.
   ThrottleChecksFinishedCallback complete_callback_;
 
-  // PlzNavigate
-  // Manages the lifetime of a pre-created ServiceWorkerProviderHost until a
-  // corresponding ServiceWorkerNetworkProvider is created in the renderer.
-  std::unique_ptr<ServiceWorkerNavigationHandle> service_worker_handle_;
-
   // Embedder data tied to this navigation.
   std::unique_ptr<NavigationData> navigation_data_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationHandleImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_